Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Sep. 27, 2015	Sep. 28, 2014
Cash flows from operating activities:
Net loss	$ (6,707)	$ (35,494)
Reconciliation of net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	9,807	8,570
Stock-based compensation expense	3,389	6,727
Restructuring charges and exit costs	850	5,587
Impairment of intangibles		12,284
Release of deferred tax valuation allowance		828
Net change in fair value of contingent consideration		(4,343)
Changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable and accounts receivable, related party	(2,925)	492
Inventories	(2,055)	(573)
Other current and non-current assets	7,623	(1,025)
Accounts payable	2,874	(2,469)
Accrued compensation and related benefits	(2,048)	(1,339)
Other current and non-current liabilities	(7,192)	(2,622)
Deferred income and allowance to distributors including related party	(3,593)	3,280
Net cash provided by (used in) operating activities	23	(10,097)
Cash flows from investing activities:
Purchases of property, plant and equipment and intellectual property, net	(567)	(656)
Purchases of short-term marketable securities		(9,296)
Proceeds from maturities of short-term marketable securities		3,997
Proceeds from sales of short-term marketable securities		158,412
Restricted cash		(26,000)
Net cash provided by (used in) investing activities	(567)	53,798
Cash flows from financing activities:
Proceeds from issuance of common stock	1,269	2,542
Purchase of stock for withholding taxes on vested restricted stock	(1,201)	(611)
Payments of lease financing obligations	(919)	(1,005)
Cash settlement of equity award	(354)
Proceeds from issuance of debt		91,000
Repayment of debt		(65,000)
Repurchase of common stock		(6,864)
Net cash provided by (used in) financing activities	(1,205)	20,062
Net increase (decrease) in cash and cash equivalents	(1,749)	63,763
Cash and cash equivalents at the beginning of period	55,233	14,614
Cash and cash equivalents at the end of period	$ 53,484	78,377
Supplemental disclosure of cash flow and non-cash information:
Release of restricted stock upon vesting		408
Integrated Memory Logic Limited [Member]
Cash flows from investing activities:
Acquisition of Integrated Memory Logic Limited, net of cash acquired		(72,659)
Supplemental disclosure of cash flow and non-cash information:
Reclassification of non-controlling interest as liability upon close of Integrated Memory Logic Limited acquisition		$ 18,883